Mereo Biopharma Group PL-ADRMREO
13F holders, Q2 2024 (June 30)79holders −1
13new positions
15sold out
3famous investors
$3.60avg. 13F price*
At the end of Q2 2024, 79 institutions reported holding Mereo Biopharma Group PL-ADR (MREO) in their 13F filings, down 1 from Q1 2024. 13 opened new positions and 15 sold out. The largest holders were Rubric Capital Management LP ($55.1M), Adage Capital Partners Gp, L.L.C. ($42.4M) and Rock Springs Capital Management LP ($33.4M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mereo Biopharma Group PL-ADR
- CUSIP
- 589492107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $55.5M |
| Exits | 15 | $5.8M |
All 13F filers, Q1 2024 → Q2 2024: 27,576,285 shares bought and 11,106,603 shares sold, net +16,469,682 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 79 holders
| Rubric Capital Management LP | 1.45% | Add +12.9% | 15,307,347 | $55.1M |
| Adage Capital Partners Gp, L.L.C. | 0.08% | Add +26.4% | 11,791,310 | $42.4M |
| Rock Springs Capital Management LP | 1.01% | Add +14.0% | 9,283,492 | $33.4M |
| Mangrove Partners Im, LLC | 2.88% | No change | 8,752,893 | $31.5M |
| Janus Henderson Group PLC | 0.02% | Add +53.9% | 7,880,882 | $28.4M |
| Deerfield Management Company, L.P. | 0.47% | New | 6,710,429 | $24.2M |
| 683 Capital Management, LLC | 2.11% | Reduce -13.0% | 5,000,000 | $18.0M |
| Alkeon Capital Management LLC | 0.09% | Add +10.8% | 4,698,100 | $16.9M |
| Frazier Life Sciences Management, L.P. | 0.74% | New | 4,401,371 | $15.8M |
| Clearline Capital LP | 1.05% | No change | 3,326,718 | $12.0M |
| Millennium Management | 0.01% | Add +46.9% | 3,201,705 | $11.5M |
| Tejara Capital Ltd | 3.43% | Add +5.9% | 2,615,458 | $9.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +11.8% | 2,507,513 | $9.0M |
| Integral Health Asset Management, LLC | 0.64% | Add +86.8% | 1,775,000 | $6.4M |
| Renaissance Technologies | 0.01% | Add +5.4% | 1,762,003 | $6.3M |
| Perceptive Advisors LLC | 0.11% | New | 1,253,250 | $4.5M |
| Soleus Capital Management, L.P. | 0.40% | Reduce -52.4% | 1,246,953 | $4.5M |
| Marshall Wace, LLP | 0.01% | New | 1,144,051 | $4.1M |
| NEOS Investment Management LLC | 0.14% | Add +53.9% | 959,467 | $3.5M |
| Blue Owl Capital Holdings LP | 0.90% | New | 897,809 | $3.2M |
| Susquehanna International Group, LLP | 0.01% | Reduce -48.1% | 840,264 | $3.0M |
| Acuta Capital Partners, LLC | 2.05% | Add +70.2% | 677,000 | $2.4M |
| Eversept Partners, LP | 0.14% | New | 496,171 | $1.8M |
| Artia Global Partners LP | 0.39% | No change | 421,359 | $1.5M |
| Citadel Advisors | 0.00% | Add +831.5% | 408,989 | $1.5M |
| Monaco Asset Management SAM | 0.63% | Reduce -14.0% | 348,128 | $1.3M |
| Cantor Fitzgerald, L. P. | 0.20% | New | 275,000 | $990K |
| Knoll Capital Management, LLC | 0.63% | No change | 260,470 | $938K |
| Knott David M Jr | 0.34% | Add +686.7% | 236,000 | $850K |
| J. Goldman & Co LP | 0.03% | Reduce -18.2% | 227,890 | $820K |
| Verition Fund Management LLC | 0.01% | Reduce -53.3% | 226,494 | $815K |
| Morgan Stanley | 0.00% | Reduce -85.0% | 207,736 | $748K |
| Two Sigma Investments, LP | 0.00% | Reduce -42.6% | 201,776 | $726K |
| Polar Asset Management Partners Inc. | 0.02% | New | 145,800 | $525K |
| Geode Capital Management, LLC | 0.00% | Reduce -4.6% | 92,156 | $332K |
| Jane Street Group, LLC | 0.00% | Reduce -2.6% | 84,593 | $305K |
| Bank of America Corp. | 0.00% | Add +6.7% | 84,018 | $302K |
| Montanova Capital, LLC | 0.01% | Reduce -98.0% | 75,000 | $270K |
| Aberdeen Group plc | 0.00% | Reduce -91.0% | 73,168 | $263K |
| Ariadne Wealth Management, LP | 0.20% | — | 3,499 | $260K |
| ADAR1 Capital Management, LLC | 0.04% | New | 55,400 | $199K |
| Primecap Management Co. | 0.00% | No change | 54,000 | $194K |
| Fred Alger Management, LLC | 0.00% | Reduce -74.7% | 49,304 | $177K |
| Clear Harbor Asset Management, LLC | 0.01% | Reduce -5.4% | 43,500 | $157K |
| Simplex Trading, LLC | 0.00% | Add +41.5% | 41,393 | $149K |
| Forefront Analytics, LLC | 0.06% | Reduce -17.3% | 36,231 | $130K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -69.5% | 33,287 | $120K |
| HSBC Holdings PLC | 0.00% | No change | 28,577 | $100K |
| Squarepoint Ops LLC | 0.00% | Reduce -42.8% | 27,297 | $98K |
| Advisors Preferred, LLC | 0.02% | Add +200.3% | 24,813 | $90K |
| Centiva Capital, LP | 0.00% | No change | 25,000 | $90K |
| Ascentis Independent Advisors | 0.02% | — | 24,800 | $89K |
| BNP Paribas Financial Markets | 0.00% | Add +17.8% | 20,535 | $74K |
| OneDigital Investment Advisors LLC | 0.00% | Reduce -1.1% | 18,300 | $66K |
| PFG Investments, LLC | 0.00% | Reduce -45.5% | 17,000 | $61K |
| BlackRock Inc. | 0.00% | Reduce -48.9% | 16,792 | $60K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -87.7% | 14,621 | $53K |
| Virtu Financial LLC | 0.00% | New | 14,152 | $51K |
| Two Sigma Securities, LLC | 0.00% | New | 13,926 | $50K |
| Rwa Wealth Partners, LLC | 0.00% | New | 12,550 | $45K |
| NFSG Corp | 0.02% | No change | 11,700 | $42K |
| Level Four Advisory Services, LLC | 0.00% | Reduce -50.0% | 10,000 | $36K |
| Rhumbline Advisers | 0.00% | Add +70.9% | 6,958 | $25K |
| GAMMA Investing LLC | 0.00% | Add +13.0% | 6,765 | $24K |
| PNC Financial Services Group, Inc. | 0.00% | New | 4,524 | $16K |
| Arax Advisory Partners | 0.00% | No change | 4,000 | $14K |
| Lindbrook Capital, LLC | 0.00% | Reduce -27.6% | 1,665 | $6K |
| Allworth Financial LP | 0.00% | No change | 1,500 | $6K |
| Bfsg, LLC | 0.00% | No change | 1,000 | $4K |
| Sit Investment Associates Inc. | 0.00% | No change | 970 | $3K |
| Signaturefd, LLC | 0.00% | Reduce -17.2% | 679 | $2K |
| Quadrant Capital Group LLC | 0.00% | Reduce -46.1% | 398 | $1K |
| JPMorgan Chase & Co. | 0.00% | Reduce -99.0% | 365 | $1K |
| New England Capital Financial Advisors LLC | 0.00% | No change | 300 | $1K |
| Wells Fargo & Company | 0.00% | No change | 230 | $826 |
| Plante Moran Financial Advisors, LLC | 0.00% | No change | 48 | $173 |
| Barclays PLC | 0.00% | No change | 38 | $137 |
| US Bancorp \de | 0.00% | Reduce -96.8% | 13 | $47 |
| Royal Bank of Canada | 0.00% | No change | 28 | $0 |
"% of holder's portfolio" is MREO's weight in each manager's 13F, not the share of Mereo Biopharma Group PL-ADR the manager owns.